1、Designation: D962 81 (Reapproved 2014)Standard Specification forAluminum Powder and Paste Pigments for Paints1This standard is issued under the fixed designation D962; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of las
2、t revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers four types and three classes ofaluminum pigments for use in paints.1.2 The values stated in SI
3、units are to be regarded asstandard. No other units of measurement are included in thisstandard.2. Referenced Documents2.1 ASTM Standards:2D480 Test Methods for Sampling and Testing of FlakedAluminum Powders and PastesE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base Alloys3. Class
4、ification3.1 Type ILeafing Aluminum Pigment Powder:3.1.1 Class A, FineMaximum of 0.1 % retained on a No.325 (45-m) sieve.3.1.2 Class B, MediumMaximum of 1.5 % retained on aNo. 325 (45-m) sieve.3.1.3 Class C, CoarseMaximum of 20 % retained on aNo. 325 (45-m) sieve.3.2 Type IILeafing Aluminum Pigment
5、Paste:3.2.1 Class A, FineMaximum of 0.1 % retained on a No.325 (45-m) sieve.3.2.2 Class B, MediumMaximum of 1.0 % retained on aNo. 325 (45-m) sieve.3.2.3 Class C, CoarseMaximum of 15 % retained on aNo. 325 (45-m) sieve.3.3 Type IIINonleafing Aluminum Pigment Powder(Note):3.3.1 Class A, FineMaximum o
6、f 1.5 % retained on a No.325 (45-m) sieve.3.3.2 Class B, MediumMaximum of 6.0 % retained on aNo. 325 (45-m) sieve.3.3.3 Class C, CoarseMaximum of 20 % retained on aNo. 325 (45-m) sieve.3.4 Type IVNonleafing Aluminum Pigment Paste (Note 1):3.4.1 Class A, FineMaximum of 0.1 % retained on a No.325 (45-
7、m) sieve.3.4.2 Class B, MediumMaximum of 1.0 % retained on aNo. 325 (45-m) sieve.3.4.3 Class C, CoarseMaximum of 11.0 % retained on aNo. 325 (45-m) sieve.NOTE 1The particle size characteristics of the Type 3 and Type 4pigments of the same class do not correspond with each other; in the caseof Types
8、1 and 2 they do.4. Composition and Properties4.1 Aluminum Pigment Powder (Type 1, Leafing and Type 3,Nonleafing)The aluminum pigment powder shall consist ofcommercially pure aluminum in the form of fine, polishedflakes, and a suitable fatty lubricant. It shall contain no filler orextender pigments.4
9、.2 Aluminum Pigment Paste (Type 2, Leafing and Type 4,Nonleafing)The aluminum pigment paste shall consist ofcommercially pure aluminum in the form of fine, polishedflakes, and a suitable fatty lubricant combined with a volatilethinner. It shall contain no filler or extender pigments.4.3 The aluminum
10、 pigments, powder, and paste of bothleafing and nonleafing types shall conform to the requirementsgiven in Table 1.4.4 The paint made from the powder or paste shall befree-flowing and shall give a continuous coating at least equalin smoothness, luster, and general appearance to that of areference sa
11、mple mutually agreed upon by the purchaser andthe seller.4.5 The aluminum pigments, powder and paste of bothleafing and nonleafing types, stored in unopened originalpackages within 6 months after shipment shall pass all testsapplicable to the respective type and class as described in TestMethods D48
12、0.5. Test Methods and Sampling5.1 Sampling and tests shall be conducted in accordancewith Test Methods D480. Since several of the methods are1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings, Materials, and Applications and is the direct responsibility
13、ofSubcommittee D01.31 on Pigment Specifications.Current edition approved Dec. 1, 2014. Published December 2014. Originallyapproved in 1948. Last previous edition approved in 2008 as D962 81 (2008)1.DOI: 10.1520/D0962-81R14.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orconta
14、ct ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1empirical and the result
15、s are affected by the method, thespecified procedures should be closely followed.6. Packaging6.1 Aluminum paste should be packaged in a polyventcontainer that can be safely vented in case of pressure build-up.7. Keywords7.1 aluminum powder; flake; leafing; nonleafing; paste;polishing lubricantASTM I
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17、ely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand
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19、Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at
20、610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Requirements for
21、Aluminum PigmentsLeafing NonleafingType 1(Powder)Type 2(Paste)Type 3(Powder)Type 4(Paste)Nonvolatile matter at 105 to 110C, min, % 99 65 99 65Easily extracted fatty and oily matter (polishing lubricant), max, %A4.0 3.0 4.0 3.0Total impurities other than fatty and oily matter, max, %A1.0 0.7 1.0 1.25
22、Coarse particles, max, %:Class A (total residue retained on a No. 325 (45-m) sieve) 0.1 0.1 1.5 0.1Class B (total residue retained on a No. 325 (45-m) sieve) 1.5 1.0 6.0 1.0Class C (total residue retained on:No. 100 (150-m) sieve 0.5 0.5 0.5 0.5No. 325 (45-m) sieve) 20.0 15.0 20.0 11.0Leafing, min, %:Class A 50 55 absent absentClass B 50 50 absent absentClass C 50 50 absent absentANonleafing pigments may contain metal compounds as dispersants. If required, a complete analysis may be made in accordance with Test Methods E34.D962 81 (2014)2
